Home / 18,261,809.33-27,386,252.61-5,305,264.38

Finding the Fourth Proportional to 18,261,809.33, 27,386,252.61 and 5,305,264.38

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Solution

The fourth proportional to 18,261,809.33, 27,386,252.61 and 5,305,264.38 is: 7,956,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,809.33 : 27,386,252.61 = 5,305,264.38 : x
  2. Step 2: Convert to fraction form
    18,261,809.33/27,386,252.61 = 5,305,264.38/x
  3. Step 3: Cross multiply
    18,261,809.33x = 27,386,252.61 × 5,305,264.38
  4. Step 4: Simplify right side
    18,261,809.33x = 145,291,310,473,515.03
  5. Step 5: Solve for x
    x = 145,291,310,473,515.03/18,261,809.33
  6. Step 6: Final answer
    x = 7,956,019.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.